SB2025092256 - openEuler update for avahi

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use of insufficiently random values (CVE-ID: CVE-2024-52615)

The vulnerability allows a remote attacker to perform DNS spoofing attack.

The vulnerability exists due to the application relies on fixed source ports for wide-area DNS queries. A remote attacker can guess the port used to initiate the DNS query and perform spoofing attack. 

2) Predictable Seed in Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2024-52616)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to software initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. A remote attacker can predict subsequent transaction IDs and perform DNS spoofing attack.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-2251